import java.util.Scanner;
public class p42 {
	public static void main(String args []) {
	int number=0; 
	System.out.println("输入正整数（回车确定）");
	Scanner reader = new Scanner(System.in);
	number=reader.nextInt();
	switch(number) {
	  case 9:
	case 131:
	case 12:System.out.println(number+"是三等奖");
		break;
	case 209:
	case 596:
	case 27:System.out.println(number+"是二等奖");
		break;
	case 875:
	case 316:
	case 59:System.out.println(number+"是一等奖");
		break;
	default: System.out.println(number+"未中奖");
  	}
}
}
